<template>
  <transition name='slide'>
    <div class='add-song'
         v-show='showflag'
         @click.stop>
      <div class='header'>
        <h1 class='title'>添加歌曲到列表</h1>
        <div class='close'
             @click="hide">
          <i class='icon-close'></i>
        </div>
      </div>
      <div class='search-box-wrapper'>
        <search-box ref='searchBox'
                    @query='onQueryChange'
                    placeholder='搜索歌曲'></search-box>
      </div>
      <div class='shortcut'
           v-show='!query'>
        <switches :switches='switches'
                  :currentIndex='currentIndex'
                  @switch='switchItem'></switches>
        <div class='list-wrapper'>
          <scroll ref='songList'
                  class='list-scroll'
                  v-if='currentIndex===0'
                  :data='playHistory'>
            <div class='list-inner'>
              <song-list :songs='playHistory'
                         @select='selectSong'></song-list>
            </div>
          </scroll>
          <scroll ref='searchList'
                  class='list-scroll'
                  v-if='currentIndex===1'
                  :data='searchHistory'>
            <div class='list-inner'>
              <search-list :refreshDelay='refreshDelay'
                           @delete='deleteSearchHistory'
                           @select='addQuery'
                           :searches='searchHistory'></search-list>
            </div>
          </scroll>

        </div>
      </div>
      <div class='search-result'
           v-show='query'>
        <suggest ref='suggest'
                 :query='query'
                 :showSinger='showSinger'
                 @select='selectSuggest'
                 @listScroll='blurInput'></suggest>
      </div>
      <top-tip ref='topTip'>
        <div class='tip-title'>
          <i class='icon-ok'></i>
          <span class='text'>1首歌曲已经添加到播放列表</span>
        </div>
      </top-tip>
    </div>
  </transition>
</template>

<script>
import SearchBox from 'base/search-box/search-box'
import Suggest from 'components/suggest/suggest'
import { searchMixin } from 'common/js/mixin'
import Switches from 'base/switches/switches'
import Scroll from 'base/scroll/scroll'
import SongList from 'base/song-list/song-list'
import SearchList from 'base/search-list/search-list'
import { mapGetters, mapActions } from 'vuex'
import Song from 'common/js/song'
import TopTip from 'base/top-tip/top-tip'
export default {
  name: 'AddSong',
  mixins: [searchMixin],
  data () {
    return {
      showflag: false,
      showSinger: false,
      currentIndex: 0,
      switches: [
        { name: '最近播放' },
        { name: '搜索历史' }
      ]
    }
  },
  computed: {
    ...mapGetters([
      'playHistory'
    ])
  },
  methods: {
    show () {
      this.showflag = true
      setTimeout(() => {
        if (this.currentIndex === 0) {
          this.$refs.songList.refresh()
        } else {
          this.$refs.searchList.refresh()
        }
      }, 20)
    },
    hide () {
      this.showflag = false
    },
    selectSuggest () {
      this.saveSearch()
      this.showTip()
    },
    switchItem (index) {
      this.currentIndex = index
    },
    selectSong (song, index) {
      if (index !== 0) {
        this.insertSong(new Song(song))
        this.showTip()
      }
    },
    showTip () {
      this.$refs.topTip.show()
    },
    ...mapActions([
      'insertSong'
    ])
  },
  components: {
    SearchBox,
    Suggest,
    Switches,
    Scroll,
    SongList,
    SearchList,
    TopTip
  }
}
</script>

<style scoped lang='stylus'  rel='stylesheet/stylus'>
@import '~common/stylus/variable'
@import '~common/stylus/mixin'
.add-song
  position: fixed
  top: 0
  bottom: 0
  width: 100%
  z-index: 200
  background: $color-background
  &.slide-enter-active, &.slide-leave-active
    transition: all 0.3s
  &.slide-enter, &.slide-leave-to
    transform: translate3d(100%, 0, 0)
  .header
    position: relative
    height: 44px
    text-align: center
    .title
      line-height: 44px
      font-size: $font-size-large
      color: $color-text
    .close
      position: absolute
      top: 0
      right: 8px
      .icon-close
        display: block
        padding: 12px
        font-size: 20px
        color: $color-theme
  .search-box-wrapper
    margin: 20px
  .shortcut
    .list-wrapper
      position: absolute
      top: 165px
      bottom: 0
      width: 100%
      .list-scroll
        height: 100%
        overflow: hidden
        .list-inner
          padding: 20px 30px
  .search-result
    position: fixed
    top: 124px
    bottom: 0
    width: 100%
  .tip-title
    text-align: center
    padding: 18px 0
    font-size: 0
    .icon-ok
      font-size: $font-size-medium
      color: $color-theme
      margin-right: 4px
    .text
      font-size: $font-size-medium
      color: $color-text
</style>
